Medical implants with limited resistance to migration
US8292946B2 · kind B2 · utility
10Cited by
21References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2005 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Apr 25, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0017
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An implant adapted to be retained in a body lumen includes a barb for engaging the lumen wall. The barb includes a yieldable element adapted to yield in response to a force, above a predetermined limit, tending to cause migration of the implant. The barb may comprise a shape memory material adapted to change shape when the material undergoes a stress induced phase change and thereby to disengage from the lumen wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.